1201330 has 16 divisors (see below), whose sum is σ = 2328984.
Its totient is φ = 443520.
The previous prime is 1201327. The next prime is 1201337. The reversal of 1201330 is 331021.
It can be written as a sum of positive squares in 4 ways, for example, as 1083681 + 117649 = 1041^2 + 343^2
It is a Harshad number since it is a multiple of its sum of digits (10).
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (1201337) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4491 + ... + 4750.
21201330 is an apocalyptic number.
1201330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1201330 is a deficient number, since it is larger than the sum of its proper divisors (1127654).
1201330 is a wasteful number, since it uses less digits than its factorization.
1201330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9261.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 1201330 is about 1096.0520060654.
The cubic root of 1201330 is about 106.3051017535.
Adding to 1201330 its reverse (331021), we get a palindrome (1532351).
The spelling of 1201330 in words is "one million, two hundred one thousand, three hundred thirty".